Finding the Fourth Proportional to 196,436.86, 271,084.76 and 111,554.53

Step by Step Solution

1. Step 1: Write the proportion equation
   196,436.86 : 271,084.76 = 111,554.53 : x
2. Step 2: Convert to fraction form
   196,436.86/271,084.76 = 111,554.53/x
3. Step 3: Cross multiply
   196,436.86x = 271,084.76 × 111,554.53
4. Step 4: Simplify right side
   196,436.86x = 30,240,732,174.81
5. Step 5: Solve for x
   x = 30,240,732,174.81/196,436.86
6. Step 6: Final answer
   x = 153,946.32